IFM Electronic CR0403 Programming Manual page 21

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System description
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Diagnosis: short circuit
Short-circuit detection is done via the read back channel. When the output is switched (Qn=TRUE)
short circuit against GND is detected when the read back channel is pulled to LOW potential (GND).
BasicController (CR0403) Runtime System V03.02
21
2015-04-01
Hardware description
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